Find the slope of the line through each pair of points.
( 1,4),(-8,- 20 )

An energy plant is looking into putting in a system to remove harmful pollutants from its emissions going into earth's atmosphere. the cost of removing the pollutants can be modeled using the function c = 25000p/100 -p what is the vertical asymptote?

Find the value of x for which line a is parallel to line b

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?